* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    /* opacity: 0.7; */
    background-image: url("https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fpic1.win4000.com%2Fwallpaper%2F3%2F59914c437c099.jpg%3Fdown&refer=http%3A%2F%2Fpic1.win4000.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1666676179&t=09be1752a5b3e168545127f0a967b214");
    /* background-color: #ccc; */
}

.swiper-box {
    height: 70vh;
    width: 70vh;
    z-index: 99;
    overflow: hidden;
    /* border: 1px solid #000; */
    box-shadow: 3px 3px 5px rgba(0,0,0,.3);
}

.swiper-box .active {
    width: 100%;
    height: 100%;
    
}

.left {
    position: fixed;
    left: 481px;
    border: 0;
    background-color: orange;
    font-size: 40px;
    color: white;
}

.right {
    border: 0;
    background-color: orange;
    font-size: 40px;
    color: white;
}